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Primordial Empire

Build a microscopic empire in this 2D colony sim. Cultivate ecosystems starting from basic stem cells, and evolve your plants and microorganisms into an intricate web of life. Assimilate wildlife, fend off invaders, and establish a cooperative network of colonies to thrive in the primordial soup.

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Updated: Jul 13, 2026Developer scaleThe operating scale of the game's developer.
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About the Game

Grow. Adapt. Symbiotize.

Welcome to Primordial Empire, a microscopic RTS where you build a miniscule empire through symbiosis and evolution in a vibrant world of micro-organisms.

Strategic Management

  • Cultivate a thriving colony by growing a diverse array of plants and organisms on any solid surface, starting with basic Stem Cells and eventually growing into a diverse ecosystem.

  • Gather and manage essential resources like protein, minerals, and DNA, or trade them between colonies if not locally available. Balance resource management and growth.

  • Expand your colony and build up your defence to protect the budding ecosystem from waves of hostile invaders. Sometimes, fighting is your only option.

Explore & Encounter 

  • Explore 6 different types of colourful and distinct biomes: Lush, Salt Barrens, Caves, Mineralized, Fungal and Hydrothermal. Each biome presents unique challenges and strategic resources

  • Choose to befriend neutral wildlife or compete against them, affecting their stances and your colony's strategy. Are they helpful allies or threats to eliminate?

Genetic Evolution

  • Encounter new plants and cells in your adventures and add them to your collective. Each of them offers unique effects and bonuses for expanding your microscopic empire.

  • Evolve and adapt to the ever-changing biomes by unlocking new genes for your genome. Only the fittest can survive!

World Map Progression

  • Enter the world map of freeplay mode to explore and dominate the primordial soup.

  • Establish trade routes between your settlements to transfer resources while protecting them from unfriendly entities.

  • Invade hostile areas with your expeditionary forces, and remove these foreign threats to secure your own colonies.

  • Explore new areas and discover upgrades and organisms to build a sprawling network of ecosystems.

 

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